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Development of a hydrogen filter for the Danish Natural Gas Network

Denmark is among the world leaders in fuel cell technology. In the spring of 2007 the Danish Technological Institute launched a promising three-year hydrogen project the goal of which is to develop a filter for the natural gas network.

The Institute’s hydrogen experts are currently working on developing a prototype of a hydrogen-selective membrane. In the future, hydrogen will also be distributed through the Danish gas network together with natural gas. Therefore the new filter has to be able to separate the hydrogen and the natural gas and extract the pure hydrogen from the natural gas pipe for the end-user.

- A crucial condition for enabling the distribution of hydrogen via the existing Danish natural gas network is the development of a hydrogen-selective membrane, which is why we are actively funding the development in order to have the technology ready, says Lise Nielson from Energinet.dk, which is supporting the project with a cash injection of EUR 0.5 million.

The hydrogen will be produced from renewable energy sources and is to be used to produce electricity and heating in the houses of the future as well as for hydrogen-powered cars. There are also a number of other conceivable uses of hydrogen.

The development work is being carried out in collaboration with the Danish Gas Technology Centre, which will investigate how the membrane can best be implemented in the natural gas network. The Centre is also responsible for the testing of the membrane.

In the long run, a commercial filter is expected to be introduced into the market.The Danish Technological Institute is looking to contact Danish companies which might be interested in buying the new hydrogen filter product.